DOES LIGHT AFFECT FUNGAL GROWTH? EXPERIMENTAL ANALYSIS UNDER MONOCHROMATIC LED SOURCES
lighting for cultural heritage, biological risk in museums, LEDs, SPDs, spectral irradiance measurements, fungal growth, fungi proteins and carbohydrates extraction
LEDs
biological risk in museums
fungi proteins and carbohydrates extraction
lighting for cultural heritage
fungal growth
SPDs
spectral irradiance measurements
DOI:
10.25039/x50.2023.pp006
Publication Date:
2024-01-25T17:43:47Z
AUTHORS (9)
ABSTRACT
The use of multichannel LEDs is crucial in museum applications to design ad-hoc spectra able to combine fruition and protection needs, i.e., maximizing Colour Rendering Index and controlling energy content in risk wavelengths responsible for the photochemical degradation of the exposed objects. A similar approach could be applied also to prevent the biological risk, such as the fungi growth on artifacts, studying the microorganisms’ sensitivity to different wavelengths. The paper investigates the growth rate and the proteins and carbohydrates content of five different fungal strains cultivated inside experimental boxes equipped with four different monochromatic LEDs. It has been demonstrated that, even if fungi are heterotrophic organisms and do not need light to grow and develop, their growth rate, and their proteins and carbohydrates content change when exposed to different irradiance conditions. The acquired information is useful for a future design of ad-hoc SPDs to be implemented in museum applications.
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